[DOCS] Add 8.17.7 release notes (#2390) (#2392)

(cherry picked from commit 85a08cd)

# Conflicts:
#	docs/src/reference/asciidoc/appendix/release.adoc

Author: jbaiera

docs/src/reference/asciidoc/appendix/release-notes/8.17.7.adoc

@@ -0,0 +1,5 @@
+[[eshadoop-8.17.7]]
+== Elasticsearch for Apache Hadoop version 8.17.7
+
+ES-Hadoop 8.17.7 is a version compatibility release, tested specifically against
+Elasticsearch 8.17.7.

docs/src/reference/asciidoc/appendix/release.adoc

@@ -9,6 +9,7 @@ This section summarizes the changes in each release.
 [[release-notes-8]]
 ===== 8.x
 
+* <<eshadoop-8.17.7>>
 * <<eshadoop-8.17.6>>
 * <<eshadoop-8.17.5>>
 * <<eshadoop-8.17.4>>
@@ -129,6 +130,7 @@ Elasticsearch 5.3.1.
 
 ////////////////////////
 
+include::release-notes/8.17.7.adoc[]
 include::release-notes/8.17.6.adoc[]
 include::release-notes/8.17.5.adoc[]
 include::release-notes/8.17.4.adoc[]